ive looked all over to a answer to your problem and have come up with a big fat zero
the closes is something about autohanger that should open when coming upto it but that was for fs9 ,have you tryed control +E+1.2.3.4.5.??or another one i seen some where is ctrl+shift+v or something ,this being a mission object id say the animations with the doors have something to do with it ,is there a key that you could asign in the cfg or controls menu ?
there was something else somewhere i read about sp1 and doors aswell
http://www.fsxmission.com/live/modules.php?name=Topnot sure about the runway maybe elevation height of the object that you placed ..
or you mite need to build a afcad for it